dukzcry wrote:Octane??? Oh, man...Wasn't Indy the only machine for which SGI released a minimum portion of needed documentation? Also the simpler architecture, the more chances to get a good emulator, we're hunting for more cycles anyway. And recent machines are not supported by old IRIX releases. Emulation of a mature graphics subsystem is another question though

Octane is just an example.It could be any SGI system that could showcase the best of SGI. Unfortunately, if I'm not mistaken alot of the documentation was either lost or destroyed, like the information on the O2's ICE chipset.

dukzcry wrote:Octane??? Oh, man...Wasn't Indy the only machine for which SGI released a minimum portion of needed documentation? Also the simpler architecture, the more chances to get a good emulator, we're hunting for more cycles anyway. And recent machines are not supported by old IRIX releases. Emulation of a mature graphics subsystem is another question though

Octane is just an example.It could be any SGI system that could showcase the best of SGI. Unfortunately, if I'm not mistaken alot of the documentation was either lost or destroyed, like the information on the O2's ICE chipset.

For Octane specifically, we could do with documentation on IOC3, HEART, Impact (MardiGras?), and Odyssey. On the other hand, there are open-source operating systems which run on this hardware already, and may be a usable source of information.

Emulating a CPU is one thing, emulating the rest of the hardware is another thing.Unless you understand the graphics system, IO system, and all the rest of the way the hardware works, you will have something that won't even boot. You need someone who made the hardware to give you insightsinto how to code software that will emulate the hardware.Then again, people have reverse engineered arcade games and made MAME so there is hope.Just need enough geeks with enough time and it may be possible.

WARNING: time of day clock behind file system time--resetting timeWARNING: clock gained 11640 daysWARNING: CHECK AND RESET THE DATE!WARNING: This system may require the revision C Memory Controller (MC) chip in order to operate correctly with the type of memory SIMMs installed. You do not need the new MC unless you experience memory errors.T

It gets far enough to read the time off the filesystem and then hangs.

WARNING: time of day clock behind file system time--resetting timeWARNING: clock gained 11640 daysWARNING: CHECK AND RESET THE DATE!WARNING: This system may require the revision C Memory Controller (MC) chip in order to operate correctly with the type of memory SIMMs installed. You do not need the new MC unless you experience memory errors.T[/code]

It gets far enough to read the time off the filesystem and then hangs.